10 20 30 40 50 UGAGGUGCCGCAGACUU--| C C U G A GUUCUGU GC CGCCGGGUC AGUGGUUCU AACA UUCA CA \ CG GCGGCCCAG UCACCAGGA UUGU AAGU GU A AGCGGGGGCGGCAGCGGCU^ C A U A - UAACGGG . 110 100 90 80 70